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双折射材料的温度修正 Birefringent Material Temperature Modification #-bz$w#* #b$qtp!, 目前,FRED尚不支持“global”温度设置,温度敏感性评估一般用脚本编程来完成,该文档演示双折射材料的折射率随温度变化的问题。附件案例文件包括两个双折射材料模,“KDP”和 “KDP Baseline”, KDP Baseline材料存储在已知温度下的折射率,KDP材料用于储存在“current”温度下的折射率值,定义为与baseline material之间的温度差。一个嵌入的脚本名为“modifyBirefringentMaterialIndex” ,包含在FRED文件中,另外也单独附加。其实现过程如下:
V%[34G f2Z(hYH~ 1.Retrieve the node numbers for the two materials, KDP and KDP Baseline }\aJ%9X02 "<yJ<lS&> 2.User specifies CTE for the ordinary and extraordinary refractive index values as well as the temperature difference from the baseline k[5:]5lp+ &O^t]7 3.Loop over the baseline material samples and determine the number of wavelength entries )EIT>u= c4(og|ifk 4.Loop over each sampled wavelength entry in the baseline material _.^`DP> j4}Q a.Modify the ordinary and extraordinary refractive index values using (2) above H[U"eS." ~r?VXO p"
b.Apply the modified values to the non-baseline material `clp#l.ii DN;3VT.- 5.Set a description on the non-baseline material indicating the temperature change from baseline -$cO0RSY hf< [$B 脚本编程及GUI例程请下载链接: @*-t.b2k Nd%j0lj http://fred-kb.photonengr.com/files/2011/04/modifyBirefringentMaterialIndex.frs /J[s5{ lHc9D http://fred-kb.photonengr.com/files/2011/04/birefringentMaterialTemperatureModification.frd |?4NlB6 L4or*C^3 *b\&R%6dR QQ:2987619807 o8u;2gZx
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